This alert expired on 12 March 2026 at 03:15 UTC. It is kept here as a record.
It is the 4th strongest of the 176 detections recorded within 20 km of this point since 12 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 11 at 9:16PM EDT until March 11 at 11:15PM EDT by NWS Mount Holly NJ
An estimated 185,460 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 7, 2026 · score 43 · 2.8 km
- July 17, 2026 · score 67 · 4.7 km
- July 4, 2026 · score 43 · 5.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 78% |
| Coordinates | 39.5560, -74.2070 |
| Nearest City | Ocean Acres (21 km) |
| Population Exposed | 185.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T01:16:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm; Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm; Waters from Manasquan Inlet NJ to Little Egg Inlet NJ out 20 to 40 nm; Waters from Little Egg Inlet NJ to Great Egg Inlet NJ out 20 to 40 nm from 20 to 40 NM |
| Headline | Special Marine Warning issued March 11 at 9:16PM EDT until March 11 at 11:15PM EDT by NWS Mount Holly NJ |
| Expires | 2026-03-11T23:15:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 43/100, near Ocean Acres (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.